<script setup lang="ts">
import { ref } from 'vue';

let row_num=ref(0)
let onCreateDiv=()=>{

}
</script>
<template>
    <div>
        <input v-model="row_num" type="number"></input>
        <br />
        <div v-for="value in row_num" class="div_row"></div>
    </div>
</template>
<style scoped>
.div_row{
    height: 10px;
    border: 1px blue solid;
}
</style>